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281 lines
11 KiB
281 lines
11 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Defines the OpenofficeDocument class, which is meant as a conversion
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* tool from Office presentations (.ppt, .sxi, .odp, .pptx) to
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* learning paths
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* @package chamilo.learnpath
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* @author Eric Marguin <eric.marguin@dokeos.com>
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* @license GNU/GPL
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*/
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/**
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* Defines the "OpenofficePresentation" child of class "OpenofficeDocument"
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*/
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require_once 'openoffice_document.class.php';
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if (api_get_setting('search_enabled') == 'true') {
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require_once api_get_path(LIBRARY_PATH).'search/ChamiloIndexer.class.php';
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require_once api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php';
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require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
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}
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class OpenofficePresentation extends OpenofficeDocument
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{
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public $take_slide_name;
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public function __construct($take_slide_name = false, $course_code = null, $resource_id = null, $user_id = null)
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{
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$this->take_slide_name = $take_slide_name;
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parent::__construct($course_code, $resource_id, $user_id);
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}
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public function make_lp($files = array())
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{
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$_course = api_get_course_info();
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$previous = 0;
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$i = 0;
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if (!is_dir($this->base_work_dir.$this->created_dir)) {
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return false;
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}
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$dir = $this->created_dir;
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if (substr($dir, -1, 1) !== '/') {
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$dir .= '/';
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}
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foreach ($files as $file) {
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/* '||' is used as separator between fields:
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slide name (with accents) || file name (without accents) || all slide text (to be indexed).
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*/
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list($slide_name, $file_name, $slide_body) = explode('||', $file);
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//error_log('Treating '.$file_name.' from '.__FUNCTION__);
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// Filename is utf8 encoded, but when we decode, some chars are not translated (like quote ’).
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// so we remove these chars by translating it in htmlentities and the reconvert it in want charset.
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$slide_name = api_htmlentities($slide_name, ENT_COMPAT, $this->original_charset);
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$slide_name = str_replace('’', '\'', $slide_name);
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$slide_name = api_convert_encoding($slide_name, api_get_system_encoding(), $this->original_charset);
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$slide_name = api_html_entity_decode($slide_name, ENT_COMPAT, api_get_system_encoding());
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if ($this->take_slide_name === true) {
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$slide_name = str_replace('_', ' ', $slide_name);
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$slide_name = api_ucfirst($slide_name);
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} else {
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$slide_name = 'slide'.str_repeat('0', 2 - strlen($i)).$i;
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}
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if (!is_file($this->base_work_dir.$dir.$file_name) or filesize($this->base_work_dir.$dir.$file_name) == 0) {
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//error_log($this->base_work_dir.$dir.$file_name . ' is not a file or is 0');
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continue;
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}
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$i++;
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if (substr($file_name, -1, 1) == '/') {
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$file_name = substr($file_name, 0, -1);
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}
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// Add the png to documents.
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$document_id = add_document(
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$_course,
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$dir.urlencode($file_name),
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'file',
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filesize($this->base_work_dir.$dir.$file_name),
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$slide_name
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);
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api_item_property_update(
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$_course,
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TOOL_DOCUMENT,
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$document_id,
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'DocumentAdded',
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api_get_user_id(),
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0,
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0,
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null,
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null,
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api_get_session_id()
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);
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// Generating the thumbnail.
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$image = $this->base_work_dir.$dir.$file_name;
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$pattern = '/(\w+)\.png$/';
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$replacement = '${1}_thumb.png';
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$thumb_name = preg_replace($pattern, $replacement, $file_name);
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// Calculate thumbnail size.
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$image_size = api_getimagesize($image);
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$width = $image_size['width'];
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$height = $image_size['height'];
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$thumb_width = 300;
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$thumb_height = floor($height * ($thumb_width / $width));
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$my_new_image = new Image($image);
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$my_new_image->resize($thumb_width, $thumb_height);
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$my_new_image->send_image($this->base_work_dir.$dir.$thumb_name, -1, 'png');
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// Adding the thumbnail to documents.
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$document_id_thumb = add_document(
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$_course,
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$dir.urlencode($thumb_name),
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'file',
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filesize($this->base_work_dir.$dir.$thumb_name),
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$slide_name
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);
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api_item_property_update($_course, TOOL_THUMBNAIL, $document_id_thumb, 'DocumentAdded', api_get_user_id(), 0, 0);
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// Create an html file.
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$html_file = $file_name.'.html';
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$fp = fopen($this->base_work_dir.$dir.$html_file, 'w+');
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$slide_src = api_get_path(REL_COURSE_PATH).$_course['path'].'/document/'.$dir.utf8_encode($file_name);
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$slide_src = str_replace('\/\/', '/', $slide_src);
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fwrite($fp,
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'<html>
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<head>
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</head>
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<body>
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<img src="'.$slide_src.'" />
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</body>
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</html>'); // This indentation is to make the generated html files to look well.
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fclose($fp);
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$document_id = add_document(
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$_course,
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$dir.urlencode($html_file),
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'file',
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filesize($this->base_work_dir.$dir.$html_file),
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$slide_name
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);
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if ($document_id) {
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// Put the document in item_property update.
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api_item_property_update(
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$_course,
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TOOL_DOCUMENT,
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$document_id,
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'DocumentAdded',
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api_get_user_id(),
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0,
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0,
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null,
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null,
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api_get_session_id()
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);
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$previous = $this->add_item(
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0,
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$previous,
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'document',
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$document_id,
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$slide_name,
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''
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);
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if ($this->first_item == 0) {
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$this->first_item = intval($previous);
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}
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}
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// Code for text indexing.
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if (api_get_setting('search_enabled') == 'true') {
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if (isset($_POST['index_document']) && $_POST['index_document']) {
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$di = new ChamiloIndexer();
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isset($_POST['language']) ? $lang = Database::escape_string($_POST['language']) : $lang = 'english';
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$di->connectDb(NULL, NULL, $lang);
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$ic_slide = new IndexableChunk();
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$ic_slide->addValue('title', $slide_name);
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$specific_fields = get_specific_field_list();
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$all_specific_terms = '';
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foreach ($specific_fields as $specific_field) {
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if (isset($_REQUEST[$specific_field['code']])) {
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$sterms = trim($_REQUEST[$specific_field['code']]);
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$all_specific_terms .= ' '.$sterms;
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if (!empty($sterms)) {
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$sterms = explode(',', $sterms);
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foreach ($sterms as $sterm) {
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$ic_slide->addTerm(trim($sterm), $specific_field['code']);
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}
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}
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}
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}
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$slide_body = $all_specific_terms.' '.$slide_body;
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$ic_slide->addValue('content', $slide_body);
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/* FIXME: cidReq:lp_id:doc_id al indexar */
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// Add a comment to say terms separated by commas.
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$courseid = api_get_course_id();
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$ic_slide->addCourseId($courseid);
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$ic_slide->addToolId(TOOL_LEARNPATH);
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$lp_id = $this->lp_id;
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$xapian_data = array(
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SE_COURSE_ID => $courseid,
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SE_TOOL_ID => TOOL_LEARNPATH,
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SE_DATA => array('lp_id' => $lp_id, 'lp_item' => $previous, 'document_id' => $document_id),
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SE_USER => (int) api_get_user_id(),
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);
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$ic_slide->xapian_data = serialize($xapian_data);
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$di->addChunk($ic_slide);
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// Index and return search engine document id.
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$did = $di->index();
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if ($did) {
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// Save it to db.
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$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
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$sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, ref_id_second_level, search_did)
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VALUES (NULL , \'%s\', \'%s\', %s, %s, %s)';
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$sql = sprintf($sql, $tbl_se_ref, api_get_course_id(), TOOL_LEARNPATH, $lp_id, $previous, $did);
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Database::query($sql);
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}
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}
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}
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}
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}
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function add_command_parameters()
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{
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if (empty($this->slide_width) || empty($this->slide_height)) {
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list($this->slide_width, $this->slide_height) = explode('x', api_get_setting('service_ppt2lp', 'size'));
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}
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return ' -w '.$this->slide_width.' -h '.$this->slide_height.' -d oogie "'.$this->base_work_dir.'/'.$this->file_path.'" "'.$this->base_work_dir.$this->created_dir.'.html"';
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}
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function set_slide_size($width, $height)
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{
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$this->slide_width = $width;
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$this->slide_height = $height;
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}
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function add_docs_to_visio($files = array())
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{
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$_course = api_get_course_info();
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foreach ($files as $file) {
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// '||' is used as separator between slide name (with accents) and file name (without accents).
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list($slide_name, $file_name) = explode('||', $file);
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$slide_name = api_htmlentities($slide_name, ENT_COMPAT, $this->original_charset);
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$slide_name = str_replace('’', '\'', $slide_name);
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$slide_name = api_convert_encoding($slide_name, api_get_system_encoding(), $this->original_charset);
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$slide_name = api_html_entity_decode($slide_name, ENT_COMPAT, api_get_system_encoding());
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$did = add_document(
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$_course,
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$this->created_dir.'/'.urlencode($file_name),
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'file',
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filesize($this->base_work_dir.$this->created_dir.'/'.$file_name),
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$slide_name
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);
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if ($did) {
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api_item_property_update(
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$_course,
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TOOL_DOCUMENT,
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$did,
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'DocumentAdded',
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api_get_user_id(),
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0,
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null,
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null,
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null,
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api_get_session_id()
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);
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}
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}
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}
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}
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